This document defines and explains various political and social concepts related to liberalism, individualism, collectivism, ideologies, rights and freedoms, economics, government systems, and social movements. Key terms defined include liberalism, individualism, common good, collectivism, ideology, progressivism, individual rights and freedoms, competition, economic freedom, rule of law, private and public property, collective responsibility, cooperation, economic equality, collective norms, representative democracy, direct democracy, authoritarianism, command economics, free market economics, traditional economics, mixed economics, and more.